The invention relates to an ablation system, including an ablation catheter with a plurality of ablation electrodes (34) and a neutral electrode (36), at least one energy source (22), switching elements (26, 28) for connecting the electrodes to the energy source (22) and control elements (16, 18, 20,...http://www.google.se/patents/US6319249?utm_source=gb-gplus-sharePatent US6319249 - Ablation system
